@charset "UTF-8";
* {
  margin: 0;
  padding: 0; }

html, body {
  font-size: 62.5%; }

header {
  width: 100%;
  height: 78px;
  background: #1C1C1C;
  display: flex; }
  header p {
    font-size: 24px;
    color: #F1C40F;
    margin-left: 300px;
    line-height: 78px; }
  header span {
    font-size: 12px;
    color: #cda303;
    font-family: "微软雅黑";
    margin-left: 130px;
    line-height: 78px; }
  header ul {
    width: 100%;
    list-style: none;
    display: flex;
    margin-left: 78px;
    justify-content: space-around;
    line-height: 78px; }
    header ul li {
      font-size: 12px;
      color: #727271;
      font-family: "微软雅黑"; }
    header ul li:hover {
      border-bottom: 5px solid #CEA713; }

.zhong {
  width: 100%;
  height: 676px;
  background: url(../img/轮胎_02.png); }
  .zhong p {
    font-size: 48px;
    color: #FFFFFF;
    font-family: "arial rounded mt bold";
    text-align: center;
    padding-top: 282px; }
    .zhong p span {
      color: #CEA713; }

.div1 h5 {
  font-size: 40px;
  color: #1C1C1C;
  font-family: "微软雅黑";
  text-align: center;
  margin-top: 52px; }
.div1 .box {
  margin-top: 44px; }
  .div1 .box p {
    font-size: 10px;
    color: #748890;
    font-family: "微软雅黑";
    text-align: center;
    padding-top: 10px; }
.div1 button {
  width: 164px;
  height: 36px;
  margin-left: 650px;
  margin-top: 20px; }

.div2 {
  width: 100%;
  height: 688px;
  background: #121212;
  margin-top: 20px; }
  .div2 p {
    font-size: 30px;
    color: #F1C40F;
    font-family: "微软雅黑";
    padding-top: 92px;
    padding-left: 170px; }
  .div2 span {
    font-size: 30px;
    color: #F1C40F;
    font-family: "微软雅黑";
    margin-left: 810px; }
  .div2 .box2 {
    width: 100%;
    padding-top: 108px;
    padding-left: 170px; }

.div3 {
  width: 100%;
  height: 250px;
  background: #F1C40F; }
  .div3 p {
    font-size: 40px;
    color: #ffffff;
    text-align: center;
    font-weight: bold;
    padding-top: 70px; }
  .div3 .p1 {
    padding-top: 26px;
    width: 180px;
    height: 40px;
    background: white;
    font-size: 18px;
    color: #121212;
    border-radius: 2px;
    margin-left: 620px;
    margin-top: 26px; }

.div4 {
  width: 100%; }
  .div4 ul {
    width: 70%;
    margin: 0 auto;
    list-style: none;
    display: flex;
    justify-content: space-around;
    margin-top: 50px; }

.div5 {
  width: 100%;
  height: 524px;
  background: #121212;
  margin-top: 50px;
  display: flex;
  justify-content: space-around; }
  .div5 .box3 {
    width: 30%;
    height: 400px;
    margin-top: 110px; }
    .div5 .box3 p {
      font-size: 40px;
      color: #F1C40F;
      font-family: "微软雅黑"; }
    .div5 .box3 ul {
      width: 100%;
      list-style: none; }
      .div5 .box3 ul li {
        padding-top: 36px; }
        .div5 .box3 ul li span {
          font-size: 10px;
          color: #5e5e5b; }
    .div5 .box3 .a {
      width: 100%;
      display: flex;
      justify-content: space-around;
      padding-top: 20px; }
  .div5 .box4 {
    width: 30%;
    height: 400px;
    margin-top: 110px; }
    .div5 .box4 input {
      width: 348px;
      height: 48px;
      border: none;
      margin-top: 20px; }
    .div5 .box4 .inp {
      width: 348px;
      height: 116px; }
    .div5 .box4 button {
      width: 348px;
      height: 48px;
      background: #F1C40F;
      font-size: 16px;
      color: #FFFFFF;
      margin-top: 10px; }

.div6 {
  width: 100%;
  height: 116px;
  background: #222222; }
  .div6 p {
    font-size: 20px;
    color: #5e5e5b;
    text-align: center;
    line-height: 116px; }
